Companies today must safeguard and precisely catalog millions of bits of data every day that, until recently, they rarely even bothered retaining at all. Those crucial, everyday employee, contractor and customer communications are hidden in seemingly innocuous instant messages, voicemails and files beamed among Palm Pilots, BlackBerries or other types of personal digital devices. Companies must not only keep such data safe from hackers and crooks, but executives must be able to quickly find critical information within that data when an accountant (or a lawyer) demands it. That holds true whether the data is in a spreadsheet e-mailed to a customer, a USB drive belonging to a disgrunded employee or a lost laptop with crucial procurement contract changes. Experts recommend focusing security efforts on the data that is most crucial for critical business operations. In today's world of mobile devices and mobile workers, that can be harder than it seems.
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